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* JBoss, Home of Professional Open Source.
* Copyright 2010, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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package org.jboss.gwt.circuit.sample.wmm.stores;
import com.google.common.collect.HashMultimap;
import com.google.common.collect.Multimap;
import org.jboss.gwt.circuit.Action;
import org.jboss.gwt.circuit.Agreement;
import org.jboss.gwt.circuit.Dispatcher;
import org.jboss.gwt.circuit.StoreCallback;
import org.jboss.gwt.circuit.sample.wmm.actions.DeployAction;
import org.jboss.gwt.circuit.sample.wmm.actions.Deployment;
import org.jboss.gwt.circuit.sample.wmm.actions.StopServerAction;
import org.jboss.gwt.circuit.sample.wmm.actions.UndeployAction;
import java.util.Iterator;
public class DeploymentStore {
// deployment -> server instances
private final Multimap<String, String> deployments;
public DeploymentStore(final Dispatcher dispatcher) {
deployments = HashMultimap.create();
dispatcher.register(DeploymentStore.class, new StoreCallback() {
@Override
public Agreement voteFor(final Action action) {
Agreement agreement = Agreement.NONE;
if (action instanceof DeployAction || action instanceof UndeployAction || action instanceof StopServerAction) {
agreement = new Agreement(true);
}
return agreement;
}
@Override
public void complete(final Action action, final Dispatcher.Channel channel) {
if (action instanceof StopServerAction) {
String serverToStop = ((StopServerAction) action).getServer();
for (Iterator<String> iterator = deployments.values().iterator(); iterator.hasNext(); ) {
String server = iterator.next();
if (server.equals(serverToStop)) {
iterator.remove();
}
}
}
else if (action instanceof DeployAction) {
DeployAction deployAction = (DeployAction) action;
Deployment deployment = deployAction.getDeployment();
deployments.put(deployment.getName(), deployment.getServer());
} else if (action instanceof UndeployAction) {
UndeployAction undeployAction = (UndeployAction) action;
Deployment deployment = undeployAction.getDeployment();
deployments.remove(deployment.getName(), deployment.getServer());
}
channel.ack();
}
@Override
public void signalChange(final Action action) {
// noop
}
});
}
public Multimap<String, String> getDeployments() {
return deployments;
}
}